>There seems to be a problem in VFP's parser. cPeriod and cYear are both properties of thisform.oAD
>Even the debugger shows valid values for all components of the failed line of code.
>
>with thisform.oAD
> locate for FinYear = .cFinYear and Period = .cPeriod && fails "variable cPeriod does not exist"
> locate for FinYear = .cFinYear and Period = thisform.oad.cPeriod && works
> locate for FinYear = .cFinYear && works
>endwith
>
>Any ideas?
>I can work around it ok, but have I goofed somewhere?

I've run into this before too. I did the work around I'm sure you are going to use, assign the properties to local vars. I've never investigated why this happens.

Steve